<?php

// 公共助手函数

use PhpOffice\PhpSpreadsheet\IOFactory;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use Symfony\Component\VarExporter\VarExporter;
use think\exception\HttpResponseException;
use think\Response;

if (!function_exists('__')) {

	/**
	 * 获取语言变量值
	 * @param string $name 语言变量名
	 * @param array $vars 动态变量值
	 * @param string $lang 语言
	 * @return mixed
	 */
	function __($name, $vars = [], $lang = '')
	{
		if (is_numeric($name) || !$name) {
			return $name;
		}
		if (!is_array($vars)) {
			$vars = func_get_args();
			array_shift($vars);
			$lang = '';
		}
		return \think\Lang::get($name, $vars, $lang);
	}
}

if (!function_exists('format_bytes')) {

	/**
	 * 将字节转换为可读文本
	 * @param int $size 大小
	 * @param string $delimiter 分隔符
	 * @param int $precision 小数位数
	 * @return string
	 */
	function format_bytes($size, $delimiter = '', $precision = 2)
	{
		$units = array('B', 'KB', 'MB', 'GB', 'TB', 'PB');
		for ($i = 0; $size >= 1024 && $i < 6; $i ++) {
			$size /= 1024;
		}
		return round($size, $precision) . $delimiter . $units[$i];
	}
}

if (!function_exists('datetime')) {

	/**
	 * 将时间戳转换为日期时间
	 * @param int $time 时间戳
	 * @param string $format 日期时间格式
	 * @return string
	 */
	function datetime($time, $format = 'Y-m-d H:i:s')
	{
		$time = is_numeric($time) ? $time : strtotime($time);
		return date($format, $time);
	}
}

if (!function_exists('human_date')) {

	/**
	 * 获取语义化时间
	 * @param int $time 时间
	 * @param int $local 本地时间
	 * @return string
	 */
	function human_date($time, $local = NULL)
	{
		return \fast\Date::human($time, $local);
	}
}

if (!function_exists('cdnurl')) {

	/**
	 * 获取上传资源的CDN的地址
	 * @param string $url 资源相对地址
	 * @param boolean $domain 是否显示域名 或者直接传入域名
	 * @return string
	 */
	function cdnurl($url, $domain = FALSE)
	{
		$regex  = "/^((?:[a-z]+:)?\/\/|data:image\/)(.*)/i";
		$cdnurl = \think\Config::get('upload.cdnurl');
		$url    = preg_match($regex, $url) || ($cdnurl && stripos($url, $cdnurl) === 0) ? $url : $cdnurl . $url;
		if ($domain && !preg_match($regex, $url)) {
			$domain = is_bool($domain) ? request()->domain() : $domain;
			$url    = $domain . $url;
		}
		return $url;
	}
}


if (!function_exists('is_really_writable')) {

	/**
	 * 判断文件或文件夹是否可写
	 * @param string $file 文件或目录
	 * @return    bool
	 */
	function is_really_writable($file)
	{
		if (DIRECTORY_SEPARATOR === '/') {
			return is_writable($file);
		}
		if (is_dir($file)) {
			$file = rtrim($file, '/') . '/' . md5(mt_rand());
			if (($fp = @fopen($file, 'ab')) === FALSE) {
				return FALSE;
			}
			fclose($fp);
			@chmod($file, 0777);
			@unlink($file);
			return TRUE;
		} elseif (!is_file($file) or ($fp = @fopen($file, 'ab')) === FALSE) {
			return FALSE;
		}
		fclose($fp);
		return TRUE;
	}
}

if (!function_exists('rmdirs')) {

	/**
	 * 删除文件夹
	 * @param string $dirname 目录
	 * @param bool $withself 是否删除自身
	 * @return boolean
	 */
	function rmdirs($dirname, $withself = TRUE)
	{
		if (!is_dir($dirname)) {
			return FALSE;
		}
		$files = new RecursiveIteratorIterator(
			new RecursiveDirectoryIterator($dirname, RecursiveDirectoryIterator::SKIP_DOTS),
			RecursiveIteratorIterator::CHILD_FIRST
		);

		foreach ($files as $fileinfo) {
			$todo = ($fileinfo->isDir() ? 'rmdir' : 'unlink');
			$todo($fileinfo->getRealPath());
		}
		if ($withself) {
			@rmdir($dirname);
		}
		return TRUE;
	}
}

if (!function_exists('copydirs')) {

	/**
	 * 复制文件夹
	 * @param string $source 源文件夹
	 * @param string $dest 目标文件夹
	 */
	function copydirs($source, $dest)
	{
		if (!is_dir($dest)) {
			mkdir($dest, 0755, TRUE);
		}
		foreach (
			$iterator = new RecursiveIteratorIterator(
				new RecursiveDirectoryIterator($source, RecursiveDirectoryIterator::SKIP_DOTS),
				RecursiveIteratorIterator::SELF_FIRST
			) as $item
		) {
			if ($item->isDir()) {
				$sontDir = $dest . DS . $iterator->getSubPathName();
				if (!is_dir($sontDir)) {
					mkdir($sontDir, 0755, TRUE);
				}
			} else {
				copy($item, $dest . DS . $iterator->getSubPathName());
			}
		}
	}
}

if (!function_exists('mb_ucfirst')) {
	function mb_ucfirst($string)
	{
		return mb_strtoupper(mb_substr($string, 0, 1)) . mb_strtolower(mb_substr($string, 1));
	}
}

if (!function_exists('addtion')) {

	/**
	 * 附加关联字段数据
	 * @param array $items 数据列表
	 * @param mixed $fields 渲染的来源字段
	 * @return array
	 */
	function addtion($items, $fields)
	{
		if (!$items || !$fields) {
			return $items;
		}
		$fieldsArr = [];
		if (!is_array($fields)) {
			$arr = explode(',', $fields);
			foreach ($arr as $k => $v) {
				$fieldsArr[$v] = ['field' => $v];
			}
		} else {
			foreach ($fields as $k => $v) {
				if (is_array($v)) {
					$v['field'] = isset($v['field']) ? $v['field'] : $k;
				} else {
					$v = ['field' => $v];
				}
				$fieldsArr[$v['field']] = $v;
			}
		}
		foreach ($fieldsArr as $k => &$v) {
			$v            = is_array($v) ? $v : ['field' => $v];
			$v['display'] = isset($v['display']) ? $v['display'] : str_replace(['_ids', '_id'], ['_names', '_name'], $v['field']);
			$v['primary'] = isset($v['primary']) ? $v['primary'] : '';
			$v['column']  = isset($v['column']) ? $v['column'] : 'name';
			$v['model']   = isset($v['model']) ? $v['model'] : '';
			$v['table']   = isset($v['table']) ? $v['table'] : '';
			$v['name']    = isset($v['name']) ? $v['name'] : str_replace(['_ids', '_id'], '', $v['field']);
		}
		unset($v);
		$ids    = [];
		$fields = array_keys($fieldsArr);
		foreach ($items as $k => $v) {
			foreach ($fields as $m => $n) {
				if (isset($v[$n])) {
					$ids[$n] = array_merge(isset($ids[$n]) && is_array($ids[$n]) ? $ids[$n] : [], explode(',', $v[$n]));
				}
			}
		}
		$result = [];
		foreach ($fieldsArr as $k => $v) {
			if ($v['model']) {
				$model = new $v['model'];
			} else {
				$model = $v['name'] ? \think\Db::name($v['name']) : \think\Db::table($v['table']);
			}
			$primary             = $v['primary'] ? $v['primary'] : $model->getPk();
			$result[$v['field']] = isset($ids[$v['field']]) ? $model->where($primary, 'in', $ids[$v['field']])->column($v['column'], $primary) : [];
		}

		foreach ($items as $k => &$v) {
			foreach ($fields as $m => $n) {
				if (isset($v[$n])) {
					$curr = array_flip(explode(',', $v[$n]));

					$linedata                     = array_intersect_key($result[$n], $curr);
					$v[$fieldsArr[$n]['display']] = $fieldsArr[$n]['column'] == '*' ? $linedata : implode(',', $linedata);
				}
			}
		}
		return $items;
	}
}

if (!function_exists('var_export_short')) {

	/**
	 * 使用短标签打印或返回数组结构
	 * @param mixed $data
	 * @param boolean $return 是否返回数据
	 * @return string
	 */
	function var_export_short($data, $return = TRUE)
	{
		return var_export($data, $return);
		$replaced = [];
		$count    = 0;

		//判断是否是对象
		if (is_resource($data) || is_object($data)) {
			return var_export($data, $return);
		}

		//判断是否有特殊的键名
		$specialKey = FALSE;
		array_walk_recursive($data, function (&$value, &$key) use (&$specialKey) {
			if (is_string($key) && (stripos($key, "\n") !== FALSE || stripos($key, "array (") !== FALSE)) {
				$specialKey = TRUE;
			}
		});
		if ($specialKey) {
			return var_export($data, $return);
		}
		array_walk_recursive($data, function (&$value, &$key) use (&$replaced, &$count, &$stringcheck) {
			if (is_object($value) || is_resource($value)) {
				$replaced[$count] = var_export($value, TRUE);
				$value            = "##<{$count}>##";
			} else {
				if (is_string($value) && (stripos($value, "\n") !== FALSE || stripos($value, "array (") !== FALSE)) {
					$index = array_search($value, $replaced);
					if ($index === FALSE) {
						$replaced[$count] = var_export($value, TRUE);
						$value            = "##<{$count}>##";
					} else {
						$value = "##<{$index}>##";
					}
				}
			}
			$count ++;
		});

		$dump = var_export($data, TRUE);

		$dump = preg_replace('#(?:\A|\n)([ ]*)array \(#i', '[', $dump); // Starts
		$dump = preg_replace('#\n([ ]*)\),#', "\n$1],", $dump); // Ends
		$dump = preg_replace('#=> \[\n\s+\],\n#', "=> [],\n", $dump); // Empties
		$dump = preg_replace('#\)$#', "]", $dump); //End

		if ($replaced) {
			$dump = preg_replace_callback("/'##<(\d+)>##'/", function ($matches) use ($replaced) {
				return isset($replaced[$matches[1]]) ? $replaced[$matches[1]] : "''";
			},                            $dump);
		}

		if ($return === TRUE) {
			return $dump;
		} else {
			echo $dump;
		}
	}
}

if (!function_exists('letter_avatar')) {
	/**
	 * 首字母头像
	 * @param $text
	 * @return string
	 */
	function letter_avatar($text)
	{
		$total = unpack('L', hash('adler32', $text, TRUE))[1];
		$hue   = $total % 360;
		list($r, $g, $b) = hsv2rgb($hue / 360, 0.3, 0.9);

		$bg    = "rgb({$r},{$g},{$b})";
		$color = "#ffffff";
		$first = mb_strtoupper(mb_substr($text, 0, 1));
		$src   = base64_encode('<svg xmlns="http://www.w3.org/2000/svg" version="1.1" height="100" width="100"><rect fill="' . $bg . '" x="0" y="0" width="100" height="100"></rect><text x="50" y="50" font-size="50" text-copy="fast" fill="' . $color . '" text-anchor="middle" text-rights="admin" dominant-baseline="central">' . $first . '</text></svg>');
		$value = 'data:image/svg+xml;base64,' . $src;
		return $value;
	}
}

if (!function_exists('hsv2rgb')) {
	function hsv2rgb($h, $s, $v)
	{
		$r = $g = $b = 0;

		$i = floor($h * 6);
		$f = $h * 6 - $i;
		$p = $v * (1 - $s);
		$q = $v * (1 - $f * $s);
		$t = $v * (1 - (1 - $f) * $s);

		switch ($i % 6) {
			case 0:
				$r = $v;
				$g = $t;
				$b = $p;
				break;
			case 1:
				$r = $q;
				$g = $v;
				$b = $p;
				break;
			case 2:
				$r = $p;
				$g = $v;
				$b = $t;
				break;
			case 3:
				$r = $p;
				$g = $q;
				$b = $v;
				break;
			case 4:
				$r = $t;
				$g = $p;
				$b = $v;
				break;
			case 5:
				$r = $v;
				$g = $p;
				$b = $q;
				break;
		}

		return [
			floor($r * 255),
			floor($g * 255),
			floor($b * 255)
		];
	}
}

if (!function_exists('check_nav_active')) {
	/**
	 * 检测会员中心导航是否高亮
	 */
	function check_nav_active($url, $classname = 'active')
	{
		$auth       = \app\common\library\Auth::instance();
		$requestUrl = $auth->getRequestUri();
		$url        = ltrim($url, '/');
		return $requestUrl === str_replace(".", "/", $url) ? $classname : '';
	}
}

if (!function_exists('check_cors_request')) {
	/**
	 * 跨域检测
	 */
	function check_cors_request()
	{
		if (isset($_SERVER['HTTP_ORIGIN']) && $_SERVER['HTTP_ORIGIN']) {
			$info        = parse_url($_SERVER['HTTP_ORIGIN']);
			$domainArr   = explode(',', config('fastadmin.cors_request_domain'));
			$domainArr[] = request()->host(TRUE);
			if (in_array("*", $domainArr) || in_array($_SERVER['HTTP_ORIGIN'], $domainArr) || (isset($info['host']) && in_array($info['host'], $domainArr))) {
				header("Access-Control-Allow-Origin: " . $_SERVER['HTTP_ORIGIN']);
			} else {
				$response = Response::create('跨域检测无效', 'html', 403);
				throw new HttpResponseException($response);
			}

			header('Access-Control-Allow-Credentials: true');
			header('Access-Control-Max-Age: 86400');

			if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
				if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_METHOD'])) {
					header("Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS");
				}
				if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS'])) {
					header("Access-Control-Allow-Headers: {$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']}");
				}
				$response = Response::create('', 'html');
				throw new HttpResponseException($response);
			}
		}
	}
}

if (!function_exists('xss_clean')) {
	/**
	 * 清理XSS
	 */
	function xss_clean($content, $is_image = FALSE)
	{
		return \app\common\library\Security::instance()->xss_clean($content, $is_image);
	}
}

if (!function_exists('check_ip_allowed')) {
	/**
	 * 检测IP是否允许
	 * @param string $ip IP地址
	 */
	function check_ip_allowed($ip = NULL)
	{
		$ip             = is_null($ip) ? request()->ip() : $ip;
		$forbiddenipArr = config('site.forbiddenip');
		$forbiddenipArr = !$forbiddenipArr ? [] : $forbiddenipArr;
		$forbiddenipArr = is_array($forbiddenipArr) ? $forbiddenipArr : array_filter(explode("\n", str_replace("\r\n", "\n", $forbiddenipArr)));
		if ($forbiddenipArr && \Symfony\Component\HttpFoundation\IpUtils::checkIp($ip, $forbiddenipArr)) {
			$response = Response::create('请求无权访问', 'html', 403);
			throw new HttpResponseException($response);
		}
	}
}

if (!function_exists('build_suffix_image')) {
	/**
	 * 生成文件后缀图片
	 * @param string $suffix 后缀
	 * @param null $background
	 * @return string
	 */
	function build_suffix_image($suffix, $background = NULL)
	{
		$suffix = mb_substr(strtoupper($suffix), 0, 4);
		$total  = unpack('L', hash('adler32', $suffix, TRUE))[1];
		$hue    = $total % 360;
		list($r, $g, $b) = hsv2rgb($hue / 360, 0.3, 0.9);

		$background = $background ? $background : "rgb({$r},{$g},{$b})";

		$icon = <<<EOT
        <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 512 512" style="enable-background:new 0 0 512 512;" xml:space="preserve">
            <path style="fill:#E2E5E7;" d="M128,0c-17.6,0-32,14.4-32,32v448c0,17.6,14.4,32,32,32h320c17.6,0,32-14.4,32-32V128L352,0H128z"/>
            <path style="fill:#B0B7BD;" d="M384,128h96L352,0v96C352,113.6,366.4,128,384,128z"/>
            <polygon style="fill:#CAD1D8;" points="480,224 384,128 480,128 "/>
            <path style="fill:{$background};" d="M416,416c0,8.8-7.2,16-16,16H48c-8.8,0-16-7.2-16-16V256c0-8.8,7.2-16,16-16h352c8.8,0,16,7.2,16,16 V416z"/>
            <path style="fill:#CAD1D8;" d="M400,432H96v16h304c8.8,0,16-7.2,16-16v-16C416,424.8,408.8,432,400,432z"/>
            <g><text><tspan x="220" y="380" font-size="124" font-family="Verdana, Helvetica, Arial, sans-serif" fill="white" text-anchor="middle">{$suffix}</tspan></text></g>
        </svg>
EOT;
		return $icon;
	}
}

if (!function_exists('check_navs_active')) {
	/**
	 * 检测会员中心导航是否高亮
	 */
	function check_navs_active($urls, $classname = 'layui-nav-itemed')
	{
		$auth       = \app\common\library\Auth::instance();
		$requestUrl = $auth->getRequestUri();
		$urls       = explode(',', $urls);
		return in_array($requestUrl, $urls) ? $classname : '';
	}
}


if (!function_exists('export')) {

	function export($title = [], $data = [], $filename = 'excel_template')
	{
		if (empty($title) || empty($data)) {
			return FALSE;
		}

		$spreadsheet = new Spreadsheet();

		$worksheet = $spreadsheet->getActiveSheet();

		//设置工作表标题名称
		$worksheet->setTitle('Simple');

		//表头
		//设置单元格内容
		foreach ($title as $key => $value) {
			$worksheet->setCellValueByColumnAndRow($key + 1, 1, $value);
		}

		$row = 2; //从第二行开始
		foreach ($data as $item) {
			$column = 1;
			foreach ($item as $value) {
				$worksheet->setCellValueExplicitByColumnAndRow($column, $row, $value, 'str');
				$column ++;
			}
			$row ++;
		}

		//将输出重定向到客户端浏览器
		header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
		header('Content-Disposition: attachment;filename="' . $filename . '.xlsx"');
		header('Cache-Control: max-age=0');
		//IE 9
		header('Cache-Control: max-age=1');
		//IE SSL
		header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past
		header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT'); // always modified
		header('Cache-Control: cache, must-revalidate'); // HTTP/1.1
		header('Pragma: public'); // HTTP/1.0

		$writer = IOFactory::createWriter($spreadsheet, 'Xlsx');
		$writer->save('php://output');
		exit;
	}
}

if (!function_exists('select2array')) {
	function select2array($data = [], $key_name = 'name', $value_name = 'value')
	{
		$result = [];
		if ($data) {
			foreach ($data as $key => $value) {
				$result[] = [$key_name => (string) $value, $value_name => (string) $key];
			}
		}
		return $result;
	}
}

if (!function_exists('array2select')) {
	function array2select($data = [], $key_name = 'id', $value_name = 'name')
	{
		$result = [];
		if ($data) {
			foreach ($data as $value) {
				$result[$value[$key_name]] = $value[$value_name];
			}
		}
		return $result;
	}
}


if (!function_exists('notify_log')) {
	/**
	 * 打印log日志
	 */
	function notify_log($request = NULL, $filename = 'notify')
	{
		$request = is_array($request) ? '[Array]: ' . json_encode($request, JSON_UNESCAPED_UNICODE) : '[String]: ' . $request;
		$msg     = '[' . date("Y-m-d H:i:s") . '] ' . $request . "\n";
		$path    = ROOT_PATH . 'runtime' . DS . 'api' . DS . $filename . '.txt';
		file_put_contents($path, $msg . PHP_EOL, FILE_APPEND);
	}
}